】2014年秋九年级英语全册 Unit 13 We’re trying to save the earth(第1课时)课件 (新版)人教新目标版.ppt

* Unit 13 We’re trying to save the earth 第一课时 (Section A) 情境引入 Leading-in Look at the following pictures noise pollution air pollution water pollution Role-play the following conversation and make your own conversations about the kinds of pollution above. A: The river was dirty. Even the bottom of the river is full of rubbish. B: But it used to be so clean. A: Yes, but people are littering in the river. B: Everyone in the town should play a part in cleaning it up. 活动探究 Fast-reading Now turn to page 99 and read the page quickly to find answers to the sheet. Questions Answers Where shark’s fin soup is popular Numbers of sharks caught and traded every year How much the numbers of some kinds of sharks have fallen in the last 20-30 years. Two environment groups which are against finning Possible answers: Southern China 70 million over 90 percent WildAid and the WWF careful-reading Raed the passage again and fill in blanks.Using the following words so, although, if but, when ① Many people do not realize they are killing a whole shark ___________ they enjoy a bowl of shark’s fin soup. ② Sharks are at the top of the food chain, _____________ if their numbers drop, the ocean’s ecosystem will be in danger. so when ③ Many think that sharks are too strong to be endangered, __________ they are wrong. ④ ___________ there are no scienfitic studies to support this, a lot of people believe that shark’s fins are good for health. ⑤ Sharks may disappear one day __________ we do not do something to stop the sale of shark’s fins. but Although if 延伸拓展 Studying useful words and expressions. *